33222321320 has 64 divisors (see below), whose sum is σ = 76795387200. Its totient is φ = 12927224320.

The previous prime is 33222321311. The next prime is 33222321367. The reversal of 33222321320 is 2312322233.

It is a super-2 number, since 2×33222321320² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 539891 + ... + 598269.

It is an arithmetic number, because the mean of its divisors is an integer number (1199927925).

Almost surely, 2^33222321320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33222321320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38397693600).

33222321320 is an abundant number, since it is smaller than the sum of its proper divisors (43573065880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33222321320 is a wasteful number, since it uses less digits than its factorization.

33222321320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58778 (or 58774 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 33222321320 its reverse (2312322233), we get a palindrome (35534643553).

The spelling of 33222321320 in words is "thirty-three billion, two hundred twenty-two million, three hundred twenty-one thousand, three hundred twenty".